Rigid Motions Transformations Review Question Preview (ID: 57072)

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What type of symmetry does this image have?

a) Both rotational and line symmetry

b) Only line symmetry

c) Only rotational symmetry

d) None

Identify the center of the rotation that maps ABC onto A'B'C'.

a) W

b) X

c) Y

d) Z

Find Q''' if point Q is reflected over the x-axis, then rotated 90 degrees, and then translated right 3 up 4.

a) (-3,1)

b) (4,1)

c) (4,-1)

d) (-3,-1)

How many lines of symmetry does a regular dodecagon have?

a) 12

b) 10

c) 20

d) 6

Write a rule to describe the transformation from H(-5,-1), I(-4,3), J(0,0) to H'(-4,-2), I'(-3,2), J'(1,-1).

a) (x,y) translates to (x+1,y-1)

b) (x,y) translates to (x,y-2)

c) (x,y) rotates to (-y,x) then translates up one unit

d) (x,y) reflects to (y,x) then rotates 90 degress

Write a rule to describe the transformation shown.

a) reflection across y=x

b) reflection across the y-axis

c) reflection across y=-1

d) reflection across x=-1

What is the order of rotational symmetry, and angle of rotation, for the recycling symbol shown?

a) two; 180 degrees

b) three; 120 degrees

c) three; 60 degrees

d) six; 60 degrees

Reflection over the y-axis:

a) the x value changes to its opposite, the y value stays the same.

b) the y value changes to its opposite, the x value stays the same.

c) both x and y values change to their opposites.

d) neither value changes.

If A(-3,-6) is transformed to create A'(-6,-3), which is the rule that was used?

a) Reflection over the line y=x

b) Rotation of 180 degrees

c) Reflection over the y-axis

d) Rotation of 90 degrees clockwise

Write a rule to describe the transformation shown.

a) reflection across the line y=2

b) translation 4 units down

c) 180 degree rotation about the origin

d) 90 degree counterclockwise rotation about the origin

Which of the following does NOT create an isometry?

a) reflection over y=x

b) translation 8 spaces left and two spaces up

c) rotation of 75 degrees about the origin

d) enlargement with a scale factor of 2

What is the image of (2,4) after it has been rotated 90 degrees about the origin?

a) (-4,2)

b) (4,2)

c) (-2,4)

d) (4,-2)

A transformation is described by f(x, y) = (-y, x). What would be the preimage of (6, -2)?

a) (2, -6)

b) (-2, -6)

c) (-6, -2)

d) (-6, 2)

A regular pentagon has ______ lines of symmetry?

a) 2 lines of symmetry

b) 6 lines of symmetry

c) 5 lines of symmetry

d) 4 lines of symmetry

A transformation in which the figure is moved such that ever point is equidistant from the pre-image

a) Rotation

b) Translation

c) Reflection

d) Dilation

How many lines of symmetry does a square have?

a) 4

b) 8

c) 2

d) 3

Square ABCD has vertices, A (-2,2), B(2,2), C (2,-2), D (-2,-2), What would be the coordinates of point C with a reflection across the X-axis?

a) (1, 1)

b) (-2, 2)

c) (1, 2)

d) (2 ,2)

what is a translation?

a) flip

b) turn

c) slide

d) same shape

What is rotational symmetry

a) Symmetry that looks the same after a number of rotations

b) a symmetrical circle

c) a shape that has even sides

d) something that is not symmetrical

The point P (-5, -10) is rotated 180° about the origin. What are the coordinates of P'?

a) (10, 5)

b) (-10, -5)

c) (5, -10)

d) (5, 10)

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